mirror of
https://github.com/vimagick/dockerfiles
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167 lines
3.6 KiB
Markdown
167 lines
3.6 KiB
Markdown
vsftpd
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======
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[vsftpd][1] is a GPL licensed FTP server for UNIX systems, including Linux.
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It is secure and extremely fast. It is stable. Don't take my word for it, though.
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## Directory Tree
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```
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~/fig/vsftpd/
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├── docker-compose.yml
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├── ftp/
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│ └── README
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├── pam.d/
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│ └── vsftpd => For Virutal User
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└── vsftpd/
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├── passwd => For Virtual User
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├── vsftpd.conf
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└── vsftpd.pem => For SSL
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```
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## vsftpd/vsftpd.conf
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```bash
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# DEFAULT SETTINGS
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allow_writeable_chroot=YES
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anonymous_enable=YES
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chroot_local_user=YES
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connect_from_port_20=YES
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dirmessage_enable=YES
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ftpd_banner=Welcome to VSFTPD service.
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listen=YES
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local_enable=YES
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no_anon_password=YES
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pasv_addr_resolve=YES
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pasv_address=my-ftp-server # <== PLEASE CHANGE THIS
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pasv_enable=YES
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pasv_max_port=30010
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pasv_min_port=30000
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port_enable=YES
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seccomp_sandbox=NO
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write_enable=YES
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xferlog_enable=YES
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# VIRTUAL USER SETTINGS
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#guest_enable=YES
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#guest_username=virtual
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#local_root=/home/virtual/$USER
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#pam_service_name=vsftpd
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#user_sub_token=$USER
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#virtual_use_local_privs=YES
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# SSL SETTINGS
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#force_local_data_ssl=YES
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#force_local_logins_ssl=YES
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#rsa_cert_file=/etc/vsftpd/vsftpd.pem
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#rsa_private_key_file=/etc/vsftpd/vsftpd.pem
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#ssl_enable=YES
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```
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> Please set `pasv_address` to your ftp server.
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## pam.d/vsftpd
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```
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auth required pam_pwdfile.so pwdfile=/etc/vsftpd/passwd
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account required pam_permit.so
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```
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## docker-compose.yml
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```yaml
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vsftpd:
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image: vimagick/vsftpd
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net: host
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# ports:
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# - "20:20"
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# - "21:21"
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# - "30000-30010:30000-30010"
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volumes:
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- ./vsftpd:/etc/vsftpd
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- ./ftp:/var/lib/ftp
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# - ./pam.d/vsftpd:/etc/pam.d/vsftpd
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# - ./virtual:/home/virtual
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privileged: true
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restart: always
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```
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> You can use `ports` instead of `net: host`.
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> Make sure these ports are allowed by firewall.
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## Server
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```bash
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$ cd ~/fig/vsftpd/
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$ openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout vsftpd/vsftpd.pem -out vsftpd/vsftpd.pem
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$ echo "tom:$(openssl passwd -1 uzia9Tu6)" >> vsftpd/passwd
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$ echo "ftp's home" > ./ftp/README
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$ docker-compose up -d
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$ docker exec -it vsftpd_vsftpd_1 sh
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>>>
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>>> adduser kev
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Changing password for kev
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New password: ******
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Retype password: ******
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Password for kev changed by root
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>>> echo "kev's home" > ~kev/README
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>>>
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>>> mkdir ~virtual/tom
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>>> echo "tom's home" > ~virtual/tom/README
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>>> chown -R virutal:virtual ~virtual
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>>>
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>>> exit
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```
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> I added a local user called `kev`, a virtual user called `tom` here.
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> You can edit [/etc/vsftpd/vsftpd.conf][2] to enable more [functions][3].
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## Client
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You can login as `kev`(local user), `tom`(virtual user) or `ftp`(anonymous user).
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```bash
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$ ftp my-ftp-server
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Connected to my-ftp-server.
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220 Welcome to VSFTPD service.
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Name (my-ftp-server:kev): ftp
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230 Login successful.
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Remote system type is UNIX.
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Using binary mode to transfer files.
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ftp> verbose off
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Verbose mode off.
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ftp> ls
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-rw-r--r-- 1 0 0 0 Jan 31 15:06 README.md
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ftp> get README.md
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0 0.00 KiB/s
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ftp> !cat README.md
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ftp> put README.md
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Permission denied.
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ftp> bye
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```
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Only local user or virtual user can upload file.
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```bash
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$ lftp
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lftp :~> set ssl:verify-certificate no
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lftp :~> open tom@my-ftp-server
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Password: ******
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lftp root@my-ftp-server:~> put README.md
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lftp root@my-ftp-server:~> ls
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-rw------- 1 0 0 337 Jan 31 16:26 README.md
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lftp root@my-ftp-server:~> bye
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```
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[1]: https://security.appspot.com/vsftpd.html
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[2]: http://vsftpd.beasts.org/vsftpd_conf.html
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[3]: https://wiki.archlinux.org/index.php/Very_Secure_FTP_Daemon
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[4]: https://github.com/tiwe-de/libpam-pwdfile
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[5]: http://linux.die.net/man/8/pam_listfile
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